Pneumatic film single seat control valve

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Pneumatic film single seat control valve

Product model:ZXP
Body material: WCB, 304, 316, 316L
Spool material: 304, 316+STL\PTFE
Seat material: 304, 316+STL; PTFE
Connection: flange, thread, welding
Seat form: single seat, two seat, sleeve
Valve cover type: standard type, low temperature type, heat dissipation type, bellows sealed type
Pneumatic actuator: multi spring film actuator
Pneumatic accessories: Electrical positioner, air filter, relief valve, hand wheel, retaining valve

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產(chǎn)品詳細

[Essential information]
The pneumatic film single seat control valve adopts a top guiding structure, the valve body is compact, the fluid channel is S streamlined, the pressure loss is small, the flow flux is large, the range of adjustment is wide, and the flow characteristic precision is high. Part of the spool oriented oriented area, has the characteristics of strong resistance to vibration performance, the seat closed performance of the GB/ 4213-92 standard, the valve is equipped with multi spring diaphragm actuator has the advantages of small structure, large output force, more suitable for the high temperature performance of the closed on demand and reliability, low temperature and pressure valve before and after the occasion use.

Size	Seat path	KV		Effective area	Rated stroke	Air opening pressure difference MPa		Air pressure differential MPa
		linear	Equal percentage			Signal Pr：20-100	Signal Pr：40-200	Signal Pr：20-100	Signal Pr：40-200
		linear	Equal percentage			Gas source 0.14MPa	Gas source 0.25MPa	Gas source 0.14MPa	Gas source 0.25MPa
20	5	0.2		280	16	-	-	-	-
	7	0.5				-	-	-	-
	8	0.8				-		-	-
	10	1.8	1.6			5.35	6.4	5.35	6.4
	12	2.8	2.5			3.72	6.4	3.72	6.4
	15	4.4	4			2.38	5.55	2.33	6.4
	20	6.9	6.3			1.34	3.12	1.34	4.01
25	25	11	10			0.86	2.0	0.86	2.57
32	32	17	16	400	25	0.75	1.74	0.75	2.24
40	40	27	25			0.48	1.11	0.48	1.48
50	50	44	40			0.31	0.71	0.31	0.91
65	65	69	63	600	40	0.27	0.63	0.27	0.81
80	80	110	100			0.18	0.42	0.18	0.52
100	100	176	160			0.11	0.23	0.11	0.34
125	125	275	250	1000	60	0.12	0.28	0.12	0.37
150	150	440	400			0.09	0.20	0.09	0.25
200	200	690	630			0.05	0.11	0.05	0.14

[Adaptive condition]
Single seat pneumatic diaphragm control valve, the inner wall of the valve body components in contact with the fluid and valve are high-pressure injection molding process, lined with corrosion and aging of FEP (F46), and the use of PTFE bellows seal. Widely used in acid, alkali and other strong corrosive media and toxic, volatile and other gases, liquid control.